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110 2nd Avenue South,#137,Pacheco, CA 94553 <br /> FF--mccAmPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1522 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> Date 12/19/97 Matrix WATER <br /> I Concentration (ug/kg,ul Recovery <br /> Analyte I Sample Amount RPD <br /> # (84217) MS MSD Spiked MS MSD <br /> I i i I <br /> 11, 1-Dichloroethel 0 109 0 105 0 I 100 0 I 109 105 3 7 i <br /> (Trichloroethene I 0 92 0 95 0 100 0 I 92 95 3 2 <br /> (EDB I 0 95 0 98 0 I 100 0 I 95 98 3 1 <br /> IChlorobenzene I 0 101 0 101 0 I 100 0 101 101 0 0 <br /> (Benzene I 0 99 0 101 0 I 100 O I 99 101 2 0 <br /> IToluene I 0 100 0 101 0 I 100 0 I 100 101 1 0 <br /> I <br /> & Rec = (MS - Sample) / amount spx.ked x 100 <br /> RPD (MS - MSD) / (NS + MST)) x 2 A 100 <br /> �,A <br />